Of, relating to, or of the nature of monody.

Of or pertaining to diaphony: see diaphony, n. 2.

Of, relating to, or characterized by paraphonia.

Music. Consisting of or having as its main element a single line of melody, monodic; producing only one note at a time, unisonous. Also in…

loosely. Said of music characterized by the predominance of one part or melody, to which the rest merely furnish harmonies; more correctly called…

Designating music of simple or ‘close’ harmony, esp. for a male vocal quartet, or a musical ensemble playing or singing such music. Cf. barber's music…

Of a harmony: based on the interval of a fourth.